Finding the Fourth Proportional to 112,916.49, 169,440.35 and 50,586.99
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Solution
The fourth proportional to 112,916.49, 169,440.35 and 50,586.99 is: 75,909.88
Step by Step Solution
- Step 1: Write the proportion equation
112,916.49 : 169,440.35 = 50,586.99 : x - Step 2: Convert to fraction form
112,916.49/169,440.35 = 50,586.99/x - Step 3: Cross multiply
112,916.49x = 169,440.35 × 50,586.99 - Step 4: Simplify right side
112,916.49x = 8,571,477,038.11 - Step 5: Solve for x
x = 8,571,477,038.11/112,916.49 - Step 6: Final answer
x = 75,909.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.